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The international disaster relief charity will be selling Gucci shoes worn by actress Sienna Miller; a signed copy of Harry Potter and the Deathly Hollows from Emma Watson; dresses donated by Florence Welch, Jemima Khan and Pearl Lowe; a suit from Kevin Bacon; a bow tie owned by David Walliams; a signed Alexander McQueen scarf by Sarah Burton; and shoes and a make-up box from Dame Shirley Bassey. Marina Diamandis from the band Marina and the Diamonds has donated a selection of items including a Manish Arora dress.

As if that wasn't enough, there will also be itThe charity, which provides emergency shelter and life-saving supplies to families around the world affected by disasters, is also launching an online auction on eBay. The auction is part of the ShelterBox Big Box and Buy campaign, designed to encourage people from across the UK to turn boxes of unwanted goods into boxes of life saving equipment that people desperately need, by selling unwanted household possessions.

ShelterBox provides a green box tailored to every disaster, but, typically contains a relief tent for an extended family, including blankets, water purification and storage equipment, cooking utensils, a stove, a basic tool kit, a children's activity pack and other vital items.

The ShelterBox Celebrity Pop Up Shop , 80 Regent Street, W1, opens June 10 and and closes on June 17.